Normal start: When the anti-theft state is released, step on and hold the brake pedal, short press start button once, the system will automatically start within 0.5 seconds, and the indicator light will be on after starting. Flameout: step on and hold the brake pedal, short press start button once, the system will automatically flame out, and the indicator light will be off after flameout. Long press to start: If it is not easy to start in winter or the engine is not in good condition, you can step on and hold the brake pedal and press the start button. Do not release the start button until car engine normally starts. Short press ACC ON/OFF mode to switch: do not step on the brake, short press the start button once, then the first mode of ACC is turned on, press the start button again, and the second mode is turned on. Press again to turn off the output. The above operations support manual cycle operations. Full-featured anti-theft: if you are 1.5-2 meters from car, when you approach the door, it will automatically unlock, unlock anti-theft; when you leave the door, it will automatically lock and illegally step on the car alarm is activated. Engine start stop size 5cm Working Voltage +12v+3V Working Current 6mA Remote control frequency 433MHZ Receive frequency 433MHZ Fit For 12V battery car, van, pickup truck, SUV, etc. Material:ABS colour:black Package Contents: 2 x host 4 x keys 2 x start button 10 x wire harness 2 x English manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.